<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div {
            width: 300px;
            height: 200px;
            /* padding-top: 5px;
            padding-left: 10px ; */
            /* box-sizing: border-box; */
            padding: 5px;
            /* border: 20px solid blue;
            border-left: red 10px solid; */
            /* border-width: 10px;
            border-color: aqua;
            border-style: solid; */
            /* box-sizing: border-box; */
        }
    </style>
</head>
<body>
    <br>
     <div>Test Padding</div>
</body>
</html>